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Load data for 7 x 66 SE v. Hofe + .284 | 160gr | Sierra SBT GameKing

Recommended Powder(s): ADI AR 2213, IMR 7828 SSC, Norma MRP, ReloadSwiss RS 76, Vihtavuori N560

7 x 66 SE v. Hofe + .284 | 160gr | Sierra SBT GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 160gr | Sierra SBT GameKing
Manufacturer SKU:
1920
Bullet Weight:
160gr | 10.4g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.258" | 32.0mm
Caliber:
7 x 66 SE v. Hofe load data
Case Length (l3):
2.598" | 66.0mm
Cartridge Length (C.O.L.):
3.257" | 82.7mm
Seated Depth:
0.599" | 15.2mm
Shank Seated Depth:
0.454" | 11.5mm
Case Capacity:
93.0 Grains of Water | 6.04 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B5846_C1097
Last updated:
2025-02-02
Recommended Twist Rate:
1:12 - 1:10

Load data for 116 loads in caliber 7 x 66 SE v. Hofe with .284 | 160gr | Sierra SBT GameKing bullet and 58 powders such as ADI AR 2213, IMR 7828 SSC, Norma MRP, ReloadSwiss RS 76, Vihtavuori N560. The key underlying parameters are shown in the table above.

  • Important Notice: DO NOT go below Minimum Charge or above Maximum Charge unless there are reasons. Since xxlreloading.com has no control over the equipment and components used by the customer and the data used in connection with the website, any responsibility and liability for the results achieved is rejected. Also see our Terms of Service

    Questions regarding the load data: Please read the information in the next tab "Explanations".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 35.7 fps

  • .

    Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

    Our default view only displays powders/loads that fulfill certain criteria: Max pressure of a load <=90% of Max. Standardized Pressure. Fill Rate (Min FR): >80% and <100% for rife loads,  >60% and <100% for pistol loads. Min. Propellant Combustion (Min z): >90% for rifle loads , >80% for pistol/revolver loads. Relax these criteria at your own risk to potentially get more powders shown in the load tables.

Click on the desired row in the tables below to add a specific load / powder to your Diary and manage there.

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
89%
56884
89%
**63
100%
ADI AR 2213 👍
<<locked>>
92%
57334
90%
**09
99%
ADI AR 2217
<<locked>>
97%
49008
77%
**58
98%
ADI AR 2225
<<locked>>
97%
44063
69%
**25
100%
Accurate 3100
<<locked>>
92%
57087
89%
**97
100%
Accurate 4350
<<locked>>
84%
57392
90%
**20
100%
Accurate MAGPRO
<<locked>>
92%
57116
89%
**12
98%
Alliant Reloder-16
<<locked>>
85%
56797
89%
**46
100%
Alliant Reloder-19
<<locked>>
89%
56913
89%
**49
100%
Alliant Reloder-22
<<locked>>
92%
56550
89%
**86
100%
Alliant Reloder-23
<<locked>>
93%
56840
89%
**33
100%
Alliant Reloder-25
<<locked>>
97%
55259
87%
**86
100%
Alliant Reloder-26
<<locked>>
89%
56985
89%
**25
100%
[Alliant Reloder-33]*
<<locked>>
97%
45353
71%
**44
94%
Hodgdon H1000
<<locked>>
97%
49008
77%
**58
98%
Hodgdon H4350
<<locked>>
87%
57363
90%
**07
100%
Hodgdon H4831
<<locked>>
95%
56898
89%
**43
99%
Hodgdon H4831 SC
<<locked>>
91%
57290
90%
**46
99%
Hodgdon Hybrid 100V
<<locked>>
87%
56724
89%
**67
100%
Hodgdon Retumbo
<<locked>>
97%
44063
69%
**25
100%
Hodgdon TrailBoss
<<locked>>
97%
35708
56%
**08
100%
IMR 4350
<<locked>>
86%
57334
90%
**07
100%
IMR 4831
<<locked>>
89%
56695
89%
**97
100%
IMR 4955 Enduron
<<locked>>
92%
57058
89%
**07
99%
IMR 7828 SSC 👍
<<locked>>
91%
56739
89%
**05
99%
[IMR 7977 Enduron]*
<<locked>>
97%
56913
89%
**64
93%
IMR 8133 Enduron
<<locked>>
97%
39871
62%
**26
96%
Lovex S065
<<locked>>
83%
57000
89%
**74
100%
Lovex S070
<<locked>>
84%
56782
89%
**97
100%
Lovex S071
<<locked>>
97%
55622
87%
**74
100%
Norma 204
<<locked>>
85%
57348
90%
**40
100%
Norma 217
<<locked>>
97%
40219
63%
**49
98%
Norma MRP 👍
<<locked>>
90%
57188
90%
**18
100%
Norma URP
<<locked>>
85%
57406
90%
**23
100%
Ramshot Hunter
<<locked>>
85%
57101
89%
**43
100%
Ramshot Magnum
<<locked>>
93%
57203
90%
**79
100%
ReloadSwiss RS 14
<<locked>>
97%
36796
58%
**57
100%
ReloadSwiss RS 62
<<locked>>
84%
57116
89%
**36
100%
ReloadSwiss RS 70
<<locked>>
84%
57159
90%
**86
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
55434
87%
**58
100%
ReloadSwiss RS 80
<<locked>>
97%
49951
78%
**43
97%
Rottweil R 904
<<locked>>
89%
57014
89%
**13
99%
Rottweil R 905
<<locked>>
89%
56652
89%
**43
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
56666
89%
**35
100%
Shooters World Long Rifle
<<locked>>
83%
57000
89%
**74
100%
Somchem S361
<<locked>>
88%
57043
89%
**87
99%
Somchem S365
<<locked>>
86%
57435
90%
**17
100%
Somchem S385
<<locked>>
90%
57305
90%
**23
100%
Vihtavuori N150
<<locked>>
85%
56811
89%
**12
100%
Vihtavuori N165
<<locked>>
95%
57406
90%
**13
100%
[Vihtavuori N170]*
<<locked>>
97%
45832
72%
**33
92%
Vihtavuori N555
<<locked>>
90%
57290
90%
**40
100%
Vihtavuori N560 👍
<<locked>>
92%
56942
89%
**18
99%
Vihtavuori N565
<<locked>>
96%
56797
89%
**99
99%
Vihtavuori N568
<<locked>>
97%
51648
81%
**53
97%
[Vihtavuori N570]*
<<locked>>
97%
49081
77%
**33
94%
Winchester 6.5 StaBALL
<<locked>>
84%
57159
90%
**51
100%
Winchester StaBALL HD
<<locked>>
94%
57159
90%
**45
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
43352
68%
**23
98%
ADI AR 2213
<<locked>>
81%
38609
60%
**41
95%
[ADI AR 2217]*
<<locked>>
82%
29791
47%
**02
90%
[ADI AR 2225]*
<<locked>>
81%
26237
41%
**23
91%
Accurate 3100
<<locked>>
81%
39276
62%
**85
99%
Accurate 4350
<<locked>>
81%
52127
82%
**38
100%
[Accurate MAGPRO]*
<<locked>>
81%
38276
60%
**38
92%
Alliant Reloder-16
<<locked>>
81%
49763
78%
**38
100%
Alliant Reloder-19
<<locked>>
81%
43308
68%
**07
98%
Alliant Reloder-22
<<locked>>
81%
39044
61%
**54
97%
Alliant Reloder-23
<<locked>>
81%
37811
59%
**12
100%
Alliant Reloder-25
<<locked>>
81%
32692
51%
**30
98%
Alliant Reloder-26
<<locked>>
81%
42061
66%
**62
100%
[Alliant Reloder-33]*
<<locked>>
92%
38218
60%
**90
90%
[Hodgdon H1000]*
<<locked>>
82%
29791
47%
**02
90%
Hodgdon H4350
<<locked>>
81%
46833
73%
**33
99%
[Hodgdon H4831]*
<<locked>>
81%
36564
57%
**46
93%
Hodgdon H4831 SC
<<locked>>
81%
40495
63%
**31
95%
Hodgdon Hybrid 100V
<<locked>>
81%
47108
74%
**23
100%
[Hodgdon Retumbo]*
<<locked>>
81%
26237
41%
**23
91%
Hodgdon TrailBoss
<<locked>>
81%
28558
45%
**54
100%
IMR 4350
<<locked>>
81%
49313
77%
**72
99%
IMR 4831
<<locked>>
81%
44947
70%
**97
100%
IMR 4955 Enduron
<<locked>>
81%
40466
63%
**98
95%
IMR 7828 SSC
<<locked>>
81%
39726
62%
**77
95%
[IMR 7977 Enduron]*
<<locked>>
91%
47427
74%
**97
90%
[IMR 8133 Enduron]*
<<locked>>
87%
28964
45%
**28
90%
Lovex S065
<<locked>>
81%
52852
83%
**02
100%
Lovex S070
<<locked>>
81%
51372
81%
**02
100%
Lovex S071
<<locked>>
81%
33750
53%
**64
97%
Norma 204
<<locked>>
81%
49632
78%
**18
99%
[Norma 217]*
<<locked>>
83%
25599
40%
**36
90%
Norma MRP
<<locked>>
81%
41365
65%
**26
98%
Norma URP
<<locked>>
81%
50908
80%
**22
100%
Ramshot Hunter
<<locked>>
81%
49647
78%
**18
100%
Ramshot Magnum
<<locked>>
81%
36318
57%
**92
97%
ReloadSwiss RS 14
<<locked>>
81%
29095
46%
**93
100%
ReloadSwiss RS 62
<<locked>>
81%
52156
82%
**58
100%
ReloadSwiss RS 70
<<locked>>
81%
50647
79%
**81
100%
ReloadSwiss RS 76
<<locked>>
81%
30893
48%
**07
95%
[ReloadSwiss RS 80]*
<<locked>>
85%
32663
51%
**46
90%
Rottweil R 904
<<locked>>
81%
44498
70%
**94
97%
Rottweil R 905
<<locked>>
81%
42786
67%
**97
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
51924
81%
**59
100%
Shooters World Long Rifle
<<locked>>
81%
52852
83%
**02
100%
Somchem S361
<<locked>>
81%
45527
71%
**90
97%
Somchem S365
<<locked>>
81%
48196
76%
**72
100%
Somchem S385
<<locked>>
81%
43192
68%
**74
98%
Vihtavuori N150
<<locked>>
81%
50560
79%
**17
100%
Vihtavuori N165
<<locked>>
81%
36738
58%
**30
96%
[Vihtavuori N170]*
<<locked>>
94%
41292
65%
**41
90%
Vihtavuori N555
<<locked>>
81%
42293
66%
**87
100%
Vihtavuori N560
<<locked>>
81%
39233
61%
**74
95%
[Vihtavuori N565]*
<<locked>>
81%
33895
53%
**23
92%
[Vihtavuori N568]*
<<locked>>
85%
33547
53%
**49
90%
[Vihtavuori N570]*
<<locked>>
90%
38595
60%
**07
90%
Winchester 6.5 StaBALL
<<locked>>
81%
51576
81%
**66
100%
Winchester StaBALL HD
<<locked>>
81%
34389
54%
**41
100%

Start Load - Barrel Length: 23.60''

Any powder missing? Then click here.

FR ... fill rate of the cartridge in percent

MaxP ... max. pressure of load in psi or bar

% ... max. pressure of load in percent of the maximum allowed pressure for this caliber 

V(0) ... muzzle velocity in feet per second (fps) or  meters per second (m/s)

z ... powder burnt in percent

[...] *... not dangerous but load has suboptimal powder burnt with possible characteristics such as extensive muzzle flash or inaccurate loads.

[...] ²... fill rate low - you might want to consider using a filler to ensure proper ignition.

[...] ᴾ... possible press load - work up slowly to this load while watching for signs of excessive pressure.

👍  ... recommended powder/load for this caliber and bullet combination based on its ballistic performance.

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